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  • RCW
    See definition for runtime callable wrapper.
  • reference type
    A data type that is represented by a reference (similar to a pointer) to the type's actual value. If a reference type is assigned to a variable, that variable references (or "points to") the original value. No copy is made. Reference types comprise classes, interfaces, delegates, and boxed value types. See also: value type.
  • reflection
    The process of obtaining information about assemblies and the types defined within them, and creating, invoking, and accessing type instances at run time.
  • regular expression
    A concise and flexible notation for finding and replacing patterns of text. The notation comprises two basic character types: literal (normal) text characters, which indicate text that must exist in the target string, and metacharacters, which indicate the text that can vary in the target string. You can use regular expressions to quickly parse large amounts of text to find specific character patterns; extract, edit, replace, or delete text substrings; or to add the extracted strings to a collection in order to generate a report.
  • remoting
    The process of communication between different operating system processes, regardless of whether they are on the same computer. The .NET remoting system is an architecture designed to simplify communication between objects living in different application domains, whether on the same computer or not, and between different contexts, whether in the same application domain or not. See also: application domain, context.
  • requested permissions
    Optionally specified permissions in an assembly that represent the minimum required, optionally desired, and always refused permissions for all code in the assembly. If there is no request, the code is granted the maximum that security policy allows. See also: security policy.
  • resource
    Any nonexecutable data that is logically deployed with an application. A resource might be displayed in an application as error messages or as part of the user interface. Resources can contain data in a number of forms, including strings, images, and persisted objects.
  • role
    A named set of principals that have the same privileges with respect to security. See also: principal.
  • role-based authorization
    In .NET Framework security, the process of determining whether a principal is allowed to perform a requested action. Authorization occurs after authentication and uses information about the principal's identity and its associated role to determine the resources a principal can access. See also: authentication, authorization, principal, role.
  • round trip
    A sequence of Web Forms stages that begins when a user action requires processing on the server. When this occurs, a form must be sent (posted) to the server, processed, and returned to the browser.
  • runtime
    See definition for common language runtime.
  • runtime callable wrapper (RCW)
    A .NET Framework object that acts as a proxy for a reference-counted COM object.